Inventor
YAMAMOTO YUJIRO
JP18 patents
⚠️ This page may combine multiple inventors who share the name “YAMAMOTO YUJIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YAMAMOTO YUJIRO
7 patentsUS4093883AJun 6, 1978
Piezoelectric multimorph switches
YAMAMOTO YUJIRO87 citations95
US4042967AAug 16, 1977
Ground fault sensor
YAMAMOTO YUJIRO34 citations92
US4879495ANov 7, 1989
Illumination control methods and means
YAMAMOTO YUJIRO17 citations73
US4479114AOct 23, 1984
Omnidirectional acceleration alarm and switch therefor
YAMAMOTO YUJIRO13 citations73
US4395651AJul 26, 1983
Low energy relay using piezoelectric bender elements
YAMAMOTO YUJIRO18 citations73
US4386341AMay 31, 1983
Security apparatus with audible alarm of enhanced urgency
YAMAMOTO YUJIRO16 citations73
US4220947ASep 2, 1980
Headlamp and security alarm control system
YAMAMOTO YUJIRO11 citations73
(unassigned)
4 patentsUS5647890AJul 15, 1997
Filter apparatus with induced voltage electrode and method
119 citations97
US5855653AJan 5, 1999
Induced voltage electrode filter system with disposable cartridge
66 citations95
US5540761AJul 30, 1996
Filter for particulate materials in gaseous fluids
82 citations95
US5368635ANov 29, 1994
Filter for particulate materials in gaseous fluids
41 citations92
SENJU PHARMA CO
3 patentsUS4826879AMay 2, 1989
Intraocular pressure lowering composition for topical use
SENJU PHARMA CO46 citations91
US4794124ADec 27, 1988
Therapeutic composition for diabetic complications
SENJU PHARMA CO11 citations73
US4822823AApr 18, 1989
Aqueous preparation and method of preparation thereof
SENJU PHARMA CO5 citations62
TAKEDA CHEMICAL INDUSTRIES LTD
3 patentsUS4771050ASep 13, 1988
Thiolactam-n-acetic acid derivatives
TAKEDA CHEMICAL INDUSTRIES LTD24 citations82
US4486594ADec 4, 1984
Thiazolidine derivatives and production thereof
TAKEDA CHEMICAL INDUSTRIES LTD7 citations73
US4387101AJun 7, 1983
Thiazolidine derivatives and their use
TAKEDA CHEMICAL INDUSTRIES LTD15 citations73